article: Lucy is a student in Class Two , Grade Seven . She is eleven years old . She had a beautiful toothbrush . But it was broken last Sunday . She was very sad because not only it was beautiful ,but also it was blue --- her favorite color . So her mother went shopping with her to buy a toothbrush on Sunday afternoon .
  There are many toothbrushes in the shop . They bought a blue one . There is a blue bird in it . And it is made in Guangzhou . It's ten yuan . _ . But it is so beautiful . And she likes it very much . Then they went home . Lucy can brush teeth now . How happy she is !
  A, B, C, D.
question: How old is Lucy ?
options: 8 9 10 11